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Collinsville city, OK

ZIP 74021 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 74021

74021 has a population of 23,504 with a median age of 36.8 yrs (51.0% male).

Race & Ethnicity
White
72.3%+17% vs US avg
x
Black
1.4%-89% vs US avg
x
Asian
3.6%-39% vs US avg
x
Hispanic
4.8%-74% vs US avg
x
Other / Two+
17.9%
x
Age Groups
0–17
27.0%+23% vs US avg
x
18–64
58.9%-5% vs US avg
x
65+
14.1%-14% vs US avg
x
Education
Less than HS
7.1%-36% vs US avg
x
High school
31.4%+20% vs US avg
x
Some college
38.1%+32% vs US avg
x
Bachelor's+
23.3%-31% vs US avg
x
Marital Status
Married
59.8%+24% vs US avg
x
Never married
24.7%-27% vs US avg
x
Divorced
9.7%-6% vs US avg
x
Widowed / Separated
5.9%
x
Diversity Index
44/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
8.0%-30% vs US avg
x
Foreign Born
22.9%+65% vs US avg
x
Veterans
10.7%+79% vs US avg
x
Disability
13.1%-2% vs US avg
x
Single Parent
4.3%-47% vs US avg
x
Recent Births
53.8%+827% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 74021

Poverty Rate
8.0%-30% vs US avg
x
Veterans
10.7%+79% vs US avg
x
Foreign Born
22.9%+65% vs US avg
x
Single Parent
4.3%-47% vs US avg
x
Disability
13.1%-2% vs US avg
x
Uninsured
9.5%+19% vs US avg
x
SNAP Benefits
7.5%-36% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
53.8%+827% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population23,504
Median age36.8
Poverty rate8.0%
Demographics statistics
Demographics
White72.3%
Hispanic4.8%
Black1.4%
Asian3.6%
Foreign-born22.9%